United States › Illinois › Rock City CITY · 2010 ACS
Rock City Illinois · 315 residents · 0.14 sq mi
Time machine
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The short version
Rock City is home to 315 people in Illinois. Owners hold 84% of the housing stock. 0% of people here were born outside the United States. Median home value sits at $105,700. 18% of adults hold a bachelor's degree or higher. Renters pay $503 a month at the median.
At a glance
Wealthier
above the US median
US median: $52,703
Mid-age
median age 37.5
US median: 37.2
Less educated
18% hold a bachelor's degree
US average: 28%
Stable housing
home values roughly flat, inflation adjusted
US median home: $225,659
Section 01
Population & growth from 33.5 in 2000
US average: 37.2
Population, 1990 – 2024
267 315 362 409 457 1990 2000 2010 2020 2024 Rock City Age distribution, 2010
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Section 02
Income & economy $56,731
−3%inflation adjusted, since 2000
from $46,250 in 2000
US average: $52,703
from $20,920 in 2000
US average: $27,286
Households earning $100K+
from 24.1% in 2009
US average: 33.3%
from 4.7% in 2000
US average: 13.8%
Workforce by industry, 2010
Professional, scientific, technical 5.7%
Public administration 4.1%
Agriculture, forestry, fishing 1%
Education & health services 1%
Transportation & warehousing 0%
Arts, entertainment, food 0%
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$105,700
+5%inflation adjusted, since 2000
from $79,300 in 2000
US average: $225,659
$503
+40%inflation adjusted, since 2000
from $283 in 2000
US average: $853
from 83.3% in 2000
16.3% rent
from 0.7% in 2009
US average: 12.1%
from 2.83 people in 2009
US average: 2.60
from 17.8% in 2009
US average: 30.9%
from 47.4% in 2009
US average: 46.8%
from 1.9 in 2009
Years of local income it takes to buy a local home, on a scale of about 0 to 15. Lower is more affordable.
Section 04
Race & ethnicity 2000
White, non-Hispanic 99.7%(312)
2010
White, non-Hispanic 96.8%(305)
No data for the years selected.
Section 04 · Origins
Detailed origins & ancestry Ancestry
+ 3 more ancestry groups with data from 6.5% in 2000
US average: 27.9%
High school or higher
from 79.9% in 2000
US average: 84.9%
from 3.3% in 2000
US average: 10.2%
Section 06
Commute & transportation from 15.5 min in 2000
US average: 25.2
from 90.4% in 2009
US average: 76.2%
from 6.1% in 2009
US average: 10.4%
from 0.0% in 2009
US average: 4.7%
from 1.0% in 2009
US average: 4.1%
from 2.0% in 2009
US average: 2.8%
from 0.0% in 2009
US average: 0.5%
from 6.2% in 2009
US average: 8.7%
Section 07
Work & employment from 10.2% in 2009
US average: 12.9%
from 20.3% in 2009
US average: 35.2%
Section 08
People & community from 0.0% in 2009
US average: 12.8%
from 4.4% in 2009
US average: 9.9%
Marital status (2024)
SHARE WITHIN EACH SEX · POPULATION 15 AND OVER · 2024
Section 09
Health coverage Showing 2024 (the nearest year with coverage data).
from 11.8% in 2013
US average: 8.4%
from 59.6% in 2020
US average: 54.8%
Direct-purchase
from 11.3% in 2020
US average: 13.8%
from 14.4% in 2020
US average: 18.4%
from 18.1% in 2020
US average: 20.9%
VA health care
from 2.8% in 2020
US average: 2.2%
Any private
from 72.9% in 2020
US average: 67.1%
Any public
from 32.2% in 2020
US average: 36.7%
Shares are "alone or in combination": a person with both Medicare and Medicaid counts in each, so categories overlap and do not sum to 100%.
Section 09 · Service history
Veterans Veterans by period of service, 2024
Gulf War (2001 or later) 25%(2)
Share of the 8 veterans here. A veteran who served across eras counts in each, so shares can total more than 100%. Peacetime-only service is included in the total but not shown as an era.
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Drill deeper
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ROCK CITY VS
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Frequently asked
How many people live in Rock City, Illinois? Rock City, Illinois has about 315 residents according to the 2010 American Community Survey.
What is the median household income in Rock City, Illinois? The typical household in Rock City, Illinois earns about $56,731 a year. Half of households make more than that, and half make less.
Is Rock City, Illinois expensive? In Rock City, Illinois, the median home is worth about $105,700, and the typical rent is about $503 a month.
How educated are people in Rock City, Illinois? About 17.8% of adults age 25 and over in Rock City, Illinois hold a bachelor's degree or higher.
What is the poverty rate in Rock City, Illinois? About 6.5% of people in Rock City, Illinois live below the federal poverty line.
Has Rock City, Illinois grown since 1990? Yes, Rock City, Illinois has grown since 1990. The population has added about 32 residents, a change of about 11 percent over that period.
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